[Poorly differentiated ("dedifferentiated") chondrosarcoma]. / Nizkodifferentsirovannaia ("dedifferentsirovannaia") khondrosarkoma.

Out of 162 chondrosarcomas studied, 9 were found to be of "dedifferentiated" type. Histological examination established two patterns of the tumor: well-differentiated chondrosarcoma and spindle-shaped sarcoma cells. The survival time was 1.0-2.5 years.